The contractor must take samples to conduct experiments as presented above. The number of laboratory samples are enough to serve the material control, allow direct relief materials or to handle before replacementThe results of these experiments are submitted to the owner. No section up would be approved if there is at least 3 satisfactory experiment resultsThe number of experiments will be increased two times when up to 5% of the volume blocks up first and when the characteristic of the material up to change.The experiments are necessary to determine the optimal dry weight content is the responsibility of the contractor and are made in the laboratory. The contractor must obtain the samples along the axis at a distance not greater than 500 m and in the position would show characteristics of the soil.
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